Int J Stomatol

Int J Stomatol ›› 2026, Vol. 53 ›› Issue (5): 778-786.doi: 10.7518/gjkq.2026016

• Clinical Practice • Previous Articles    

Clinical considerations for intentional replantation in cases of distal root surface caries with periodontal-endodontic lesions in second molars

Qianyuan Tao1(),Xiangfen Li2,Qin Su1()   

  1. 1.State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Dept. of Cariology and Endodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
    2.State Key Laboratory of Oral Diseases & National Center for Stomatology & National Clinical Research Center for Oral Diseases & Dept. of Pediatric Dentistry, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
  • Received:2025-03-16 Revised:2025-05-20 Online:2026-09-01 Published:2026-08-28
  • Contact: Qin Su E-mail:fkristie@foxmail.com;1176629149@qq.com
  • Supported by:
    Natural Science Foundation of Sichuan Province(2024NSFSC1583);National Natural Science Foundation of China(82201044)

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Abstract:

The second molars often develop distal root surface caries due to the impaction of the third molars, which subsequently induces periodontal-endodontic lesions. Clinical root canal treatment for such cases faces numerous challenges, including limited operating space, complex root canal anatomy, difficulty in repairing subgingival caries, and low cure rates for periodontal lesions. These factors often lead to complex procedures and poor prognosis in conventional en-dodontic treatments. Intentional replantation, as a last-resort tooth-saving technique, has gradually been applied to treat complex and refractory endodontic periapical diseases given its simplicity, thorough removal of caries, and simultaneous management of periodontal lesions. However, its clinical application requires careful consideration of the anatomical features of the second molars, the characteristics of caries and periodontal lesions, and the key points of surgical procedures. This study analyzes these aspects one by one and provides a comprehensive review to offer a reference for the clinical treatment of periodontal-endodontic lesions in the second molars with root damage via intentional replantation.

Key words: second molars, third molars, root surface caries, intentional replantation, periodontal-endodontic lesions

CLC Number: 

  • R781.05

TrendMD: 

Fig 1

Characteristics of lesions in teeth with distal root surface ca-ries of the second molar combined with periodontal-endodontic lesions"

Fig 2

Procedures for IR of the second molar with distal root surface caries and combined periodontal-endodontic lesions"

Fig 3

IR for the second molar with distal root surface caries and combined endodontic-periodontal lesions"

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